Cosmic ray found decades ago had 'more energy than was theoretically possible' The most powerful cosmic ray, named the Oh-My-God particle, was detected more than 30 years ago and measured around ...

These are the cosmic voids.The smallest voids are about 20 million light-years across on a side, and the largest ones go for hundreds of millions of light-years.

Cosmic rays—high-energy particles moving close to the speed of light—originated from somewhere in the Milky Way galaxy and beyond, but exactly where has been a mystery since they were ...

An ultra-high-energy cosmic ray carries tens of millions of times more energy than any human-made particle accelerator such as the Large Hadron Collider, the most powerful accelerator ever built ...

The Cosmic Microwave Background carries with it a record of events throughout the 13.8-billion-year history of the universe. When you purchase through links on our site, we may earn an affiliate ...

In simulations of the cosmic web, all that action consistently sets off enormous shock waves in and along filaments. Filaments make up most of the cosmic web but are much harder to spot than ...

Get Instant Summarized Text (Gist) An international team has captured a high-definition image of a cosmic filament within the cosmic web, connecting two galaxies from when the universe was about 2 ...